1) I (meet) your father while I (come) here.

2) What you (do) when I (see) you yesterday.

3) Jane is in the hospital. She (have) an accident while she (drive) her new car.

4) I (see) you yesterday, but you (not/see) me. You (talk) to somebody.

5) A: I (phone) you last night. But nobody answered. B: I (be) at home last night. But I think I (sleep) when you (call) me.

6) Oh! All the windows are open. Why you (not/close) them before you left home?

7) When I (do) the washing-up, I (break) a plate

8) While Tom (play) the piano, his mother (do) the washing-up.

9) He (drink) some juice and then he (eat) a few chips.

10) I (have) dinner when I suddenly (hear) a loud bang.